| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a period in [art] | 5 |
|
| 2 | [noun] [prep] a period in [art] | 5 |
|
| 3 | [prep] a [adj] period in [art] | 26 |
|
| 4 | [prep] a [adj] period in [art] | 25 |
|
| 5 | [prep] a brief period in [art] | 6 |
|
| 6 | [prep] a brief period in [art] | 6 |
|
| 7 | [prep] a period in [pron] [art] | 6 |
|
| 8 | [prep] a period in which [art] | 6 |
|
| 9 | [prep] a period in which [art] | 6 |
|
| 10 | [prep] a period in [Wh det] [art] | 6 |
|
| 11 | [prep] a period in [art] [adj] | 12 |
|
| 12 | [prep] a period in [art] [noun] | 8 |
|
| 13 | [prep] a period in [art] [adj] | 7 |
|
| 14 | [prep] a period in [art] [noun sg] | 7 |
|
